Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2024-46799

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
18/09/2024
Last modified:
23/09/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX<br /> <br /> If number of TX queues are set to 1 we get a NULL pointer<br /> dereference during XDP_TX.<br /> <br /> ~# ethtool -L eth0 tx 1<br /> ~# ./xdp-trafficgen udp -A -a eth0 -t 2<br /> Transmitting on eth0 (ifindex 2)<br /> [ 241.135257] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000030<br /> <br /> Fix this by using actual TX queues instead of max TX queues<br /> when picking the TX channel in am65_cpsw_ndo_xdp_xmit().

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.10 (including) 6.10.10 (excluding)
cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools